the movement of water in the sea or a river; the movement of air in a particular direction

He swam to the shore against a strong current.他逆着激流游向岸边。

Birds use warm air currents to help their flight.鸟借助暖流飞行。

the flow of electricity through a wire, etc

a 15 amp electrical current15安培的电流

the fact of particular ideas, opinions or feelings being present in a group of people

Ministers are worried by this current of anti-government feeling.部长们对这股反政府情绪感到担忧。

The rate at which electrons flow through a circuit is defined as the current. If an electric circuit is likened to water flowing through a system of pipes, the current is analogous to the rate at which the water is flowing. Electric current is measured in amps.